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Sony A6400 vs Sony RX10 IV

Portability
83
Imaging
70
Features
88
Overall
77
Sony Alpha a6400 front
 
Sony Cyber-shot DSC-RX10 IV front
Portability
52
Imaging
54
Features
82
Overall
65

Sony A6400 vs Sony RX10 IV Key Specs

Sony A6400
(Full Review)
  • 24MP - APS-C Sensor
  • 3" Tilting Display
  • ISO 100 - 32000 (Push to 102400)
  • 3840 x 2160 video
  • Sony E Mount
  • 403g - 120 x 67 x 50mm
  • Introduced January 2019
Sony RX10 IV
(Full Review)
  • 20MP - 1" Sensor
  • 3" Tilting Screen
  • ISO 125 - 12800 (Raise to 25600)
  • Optical Image Stabilization
  • 3840 x 2160 video
  • 24-600mm (F2.4-4.0) lens
  • 1095g - 133 x 94 x 145mm
  • Revealed September 2017
  • Old Model is Sony RX10 III
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Sony A6400 vs Sony RX10 IV Overview

In this write-up, we will be evaluating the Sony A6400 vs Sony RX10 IV, one is a Advanced Mirrorless and the latter is a Large Sensor Superzoom and both are manufactured by Sony. The resolution of the A6400 (24MP) and the RX10 IV (20MP) is relatively well matched but the A6400 (APS-C) and RX10 IV (1") enjoy totally different sensor dimensions.

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The A6400 was brought out 17 months after the RX10 IV which makes the cameras a generation away from one another. The two cameras offer different body type with the Sony A6400 being a Rangefinder-style mirrorless camera and the Sony RX10 IV being a SLR-like (bridge) camera.

Before delving through a full comparison, below is a concise synopsis of how the A6400 matches up vs the RX10 IV when it comes to portability, imaging, features and an overall score.

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Reasons to pick Sony A6400 over the Sony RX10 IV

 A6400 RX10 IV 
RevealedJanuary 2019September 2017More modern by 17 months
Selfie screen Easy selfies

Reasons to pick Sony RX10 IV over the Sony A6400

 RX10 IV A6400 
Screen resolution1440k922kCrisper screen (+518k dot)

Common features in the Sony A6400 and Sony RX10 IV

 A6400 RX10 IV 
Focus manually More accurate focusing
Screen typeTiltingTiltingTilting screen
Screen sizing3"3"Equivalent screen sizing
Touch screen Quickly navigate

Sony A6400 vs Sony RX10 IV Physical Comparison

For anybody who is intending to carry around your camera, you need to consider its weight and size. The Sony A6400 has outer measurements of 120mm x 67mm x 50mm (4.7" x 2.6" x 2.0") and a weight of 403 grams (0.89 lbs) and the Sony RX10 IV has specifications of 133mm x 94mm x 145mm (5.2" x 3.7" x 5.7") with a weight of 1095 grams (2.41 lbs).

Contrast the Sony A6400 vs Sony RX10 IV in the new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an Interchangeable Lens Camera will change dependant on the lens you are working with at the time. The following is the front view proportions comparison of the A6400 versus the RX10 IV.

Sony A6400 vs Sony RX10 IV size comparison

Taking into account dimensions and weight, the portability rating of the A6400 and RX10 IV is 83 and 52 respectively.

Sony A6400 vs Sony RX10 IV top view buttons comparison

Sony A6400 vs Sony RX10 IV Sensor Comparison

Quite often, it is very hard to envision the difference between sensor sizes simply by looking at specifications. The picture below will help offer you a more clear sense of the sensor sizing in the A6400 and RX10 IV.

To sum up, both of the cameras offer different megapixel count and different sensor sizes. The A6400 due to its bigger sensor will make achieving bokeh less difficult and the Sony A6400 will give you greater detail having its extra 4MP. Higher resolution can also enable you to crop pictures a little more aggressively. The newer A6400 will have an edge in sensor innovation.

Sony A6400 vs Sony RX10 IV sensor size comparison

Sony A6400 vs Sony RX10 IV Screen and ViewFinder

Sony A6400 vs Sony RX10 IV Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sony A6400 Portrait photography features
Sony RX10 IV Portrait photography features
82
you can focus manually
decent megapixels (24MP)
nice sensor size (APS-C)
features face detection focus
supports RAW formats
72
manual focus
great flash sync speed (1/2,000 seconds)
megapixel count good (20MP)
sensor size is good (1")
provides face detection autofocus
saves RAW files
Photography Glossary

Street Comparison

Sony A6400 Street photography info
Sony RX10 IV Street photography info
81
tilting screen
nice sensor size (APS-C)
supports RAW formats
boasts focus by touch
weather proofing
great ISO range (32,000)
does not have image stabilization
64
has a tilting screen
built in image stabilization (Optical)
sensor size is good (1")
saves RAW files
supports touch focus
environment sealing
heavier than average (1,095 grams)
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Sports Comparison

Sports photography with Sony A6400
Sports photography with Sony RX10 IV
76
decent megapixels (24 megapixels)
nice sensor size (APS-C)
features tracking autofocus
weather proofing
sensor has phase detect auto focus
does not have image stabilization
77
amazing zoom range (24-600mm 25.0 x zoom)
quiet shooting (1/32,000 seconds)
high max frames per second (24.0 frames/s)
built in image stabilization (Optical)
megapixel count good (20 megapixels)
sensor size is good (1")
provides tracking autofocus
environment sealing
supports phase detect autofocus
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Travel Comparison

Sony A6400 Travel photography features
Sony RX10 IV Travel photography features
87
weather proofing
connects via bluetooth
boasts focus by touch
decent megapixels (24 megapixels)
built-in flash
selfie friendly screen
57
environment sealing
connects via bluetooth
supports touch focus
megapixel count good (20 megapixels)
has built in flash
relatively wide (24mm)
long zoom (600mm)
doesn't have Time Lapse recording
heavier than average (1,095g)
doesn't feature selfie friendly display
sluggish max aperture (f2.4)
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Landscape Comparison

Landscape photography with Sony A6400
Landscape photography with Sony RX10 IV
80
you can focus manually
change lenses (Sony E mount)
nice screen size (3")
decent megapixels (24 megapixels)
nice sensor size (APS-C)
great ISO range (32,000)
supports RAW formats
weather proofing
does not have image stabilization
63
manual focus
relatively wide (24mm)
screen size is good (3 inches)
built in image stabilization (Optical)
megapixel count good (20 megapixels)
sensor size is good (1")
saves RAW files
environment sealing
lens is fixed (fixed lens mount)
sluggish max aperture (f2.4)
doesn't have Time Lapse recording
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Vlogging Comparison

Sony A6400 Vlogging advice
Sony RX10 IV Vlogging advice
80
selfie friendly screen
built-in touchscreen
features face detection focus
video resolution high (3840 x 2160 pixels)
includes external microphone support
does not have image stabilization
29
relatively wide (24mm)
touch screen
built in image stabilization (Optical)
provides face detection autofocus
high res video (3840 x 2160 resolution)
comes with external mic port
sluggish max aperture (f2.4)
doesn't feature selfie friendly display
heavier than average (1,095g)
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Sony A6400 vs Sony RX10 IV Specifications

Detailed spec comparison table for Sony A6400 and Sony RX10 IV
 Sony Alpha a6400Sony Cyber-shot DSC-RX10 IV
General Information
Brand Sony Sony
Model Sony Alpha a6400 Sony Cyber-shot DSC-RX10 IV
Type Advanced Mirrorless Large Sensor Superzoom
Introduced 2019-01-15 2017-09-12
Body design Rangefinder-style mirrorless SLR-like (bridge)
Sensor Information
Powered by Bionz X Bionz X
Sensor type CMOS BSI-CMOS
Sensor size APS-C 1"
Sensor dimensions 23.5 x 15.6mm 13.2 x 8.8mm
Sensor area 366.6mm² 116.2mm²
Sensor resolution 24MP 20MP
Anti aliasing filter
Aspect ratio 1:1, 3:2 and 16:9 1:1, 4:3, 3:2 and 16:9
Maximum resolution 6000 x 4000 5472 x 3648
Maximum native ISO 32000 12800
Maximum boosted ISO 102400 25600
Minimum native ISO 100 125
RAW pictures
Minimum boosted ISO - 64
Autofocusing
Manual focus
AF touch
AF continuous
AF single
AF tracking
Selective AF
Center weighted AF
Multi area AF
AF live view
Face detect focusing
Contract detect focusing
Phase detect focusing
Number of focus points 425 315
Lens
Lens mounting type Sony E fixed lens
Lens focal range - 24-600mm (25.0x)
Highest aperture - f/2.4-4.0
Macro focus distance - 3cm
Number of lenses 121 -
Focal length multiplier 1.5 2.7
Screen
Display type Tilting Tilting
Display size 3" 3"
Display resolution 922 thousand dot 1,440 thousand dot
Selfie friendly
Liveview
Touch functionality
Viewfinder Information
Viewfinder Electronic Electronic
Viewfinder resolution 2,359 thousand dot 2,359 thousand dot
Viewfinder coverage 100% 100%
Viewfinder magnification 0.7x 0.7x
Features
Slowest shutter speed 30s 30s
Maximum shutter speed 1/4000s 1/2000s
Maximum quiet shutter speed - 1/32000s
Continuous shooting speed 11.0fps 24.0fps
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Set WB
Image stabilization
Inbuilt flash
Flash range 6.00 m (at ISO 100) 10.80 m (at Auto ISO)
Flash settings Off, auto, on, slow sync, rear sync, redeye reduction, wireless, hi-speed sync Auto, fill-flash, slow sync, rear sync, off
Hot shoe
Auto exposure bracketing
WB bracketing
Maximum flash sync - 1/2000s
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions 3840 x 2160 @ 30p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM 3840 x 2160 (30p, 25p, 24p), 1920 x 1080 (60p, 60i, 24p) ,1440 x 1080 (30p), 640 x 480 (30p)
Maximum video resolution 3840x2160 3840x2160
Video format MPEG-4, H.264, XAVC-S MPEG-4, AVCHD, XAVC S
Mic jack
Headphone jack
Connectivity
Wireless Built-In Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 403 gr (0.89 lb) 1095 gr (2.41 lb)
Dimensions 120 x 67 x 50mm (4.7" x 2.6" x 2.0") 133 x 94 x 145mm (5.2" x 3.7" x 5.7")
DXO scores
DXO All around score 83 not tested
DXO Color Depth score 24.0 not tested
DXO Dynamic range score 13.6 not tested
DXO Low light score 1431 not tested
Other
Battery life 410 images 400 images
Battery form Battery Pack Battery Pack
Battery model NP-FW50 NP-FW50
Self timer Yes Yes (2 or 10 sec, continuous)
Time lapse recording
Storage media SD/SDHC/SDXC/Memory Stick DUO (UHS-I compliant) SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo
Storage slots 1 1
Cost at launch $898 $1,698